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  1. Basic Calculator

    This free online calculator can be used for basic computations such as addition, subtraction, multiplication, division, and square roots.

  2. Desmos | Scientific Calculator

    A beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more.

  3. The Best Free Online Calculator

    Use the best online calculator for all your math needs on PC and smartphones. The free calculator allows you to quickly and accurately perform arithmetic, calculate percentages, raise to a power or …

  4. Web 2.0 scientific calculator

    Free Online Scientific Notation Calculator. Solve advanced problems in Physics, Mathematics and Engineering. Math Expression Renderer, Plots, Unit Converter, Equation Solver, Complex Numbers, …

  5. calculator.com®

    Explore free online calculators for solving problems, satisfying curiosity, or just for fun at calculator.com.

  6. Omni Calculator

    Omni Calculator provides solutions for a wide range of problems, from finance and business to health. It’s so fast and easy you won’t want to do the math again!

  7. Online Calculator

    Free Online Scientific Notation Calculator. Solve advanced problems in Physics, Mathematics and Engineering. Math Expression Renderer, Plots, Unit Converter, Equation Solver, Complex Numbers, …

  8. Calculators | Calculator Soup

    Feb 11, 2026 · Find the ideal calculator for math, science, statistics. Browse calculators for banking, finance, loans, time and date, conversion, fractions, algebra and more.

  9. The Calculator Site - Free Online Calculators

    Popular calculators for finance, construction, health, cooking, education and more. Over 8 million calculations performed monthly. All free to use.

  10. Full Precision Calculator - Math is Fun

    Contact us with any suggestions for improvements or enhancements to this full precision calculator. This calculator calculates answers to full accuracy. If you want more functions (but not full precision) try …